Twin low-oblique photography and the Twinplex plotter,
Twin low-oblique photography and the Twinplex plotter,
prepared by the Topographic Division, Research and Technical Control Branch, Section of Photogrammetry.
- Washington, 1952.
- iii, 18 p. illus., diagrs. 27 cm.
- Geological Survey circular 222 .
"The text of this circular is an adaptation and combination of the following papers: 1. Hopkins, B. T., 1951, The Twinplex plotter for low-oblique photography. [Unpublished] 2. Radlinski, W. A., 1952, Convergent low-oblique photography and its application to the Twinplex: Photogrammetric engineering, v. 18, no. 3, pp. 596-597. 3. Thompson, M. M., 1950, the Twinplex, a new stereoplotting instrument; U. S. Geological Survey Circ. 82."
gs 53000080
Photographic surveying.
Surveying--Instruments.
QE75 / .C5 no. 222
526.91 526.98*
"The text of this circular is an adaptation and combination of the following papers: 1. Hopkins, B. T., 1951, The Twinplex plotter for low-oblique photography. [Unpublished] 2. Radlinski, W. A., 1952, Convergent low-oblique photography and its application to the Twinplex: Photogrammetric engineering, v. 18, no. 3, pp. 596-597. 3. Thompson, M. M., 1950, the Twinplex, a new stereoplotting instrument; U. S. Geological Survey Circ. 82."
gs 53000080
Photographic surveying.
Surveying--Instruments.
QE75 / .C5 no. 222
526.91 526.98*